#container #box1 {
    width: 750px;
    outline: .02rem solid red;
    position: relative;
    display: flex;
    flex-direction: column;
}

#container #box1 .nav-top{
    height: 88px;
    outline: .02rem solid black;
    background-color: #83E0FF;
    display: flex;
    justify-content: center;
    
}

#container #box1 .nav-top .nav-content{
    width: 681.98px;
    height: 100%;
  
     /* background-color: yellowgreen;  */

    display: flex;
    justify-content: space-between;
    align-items: center;
}

#container #box1 .nav-top .nav-content img:nth-child(2){
    width: 390px;
    height: 75px;

}

#container #box1 .nav-bottom{
    height: 92px;
    outline: .02rem solid green;
}
